baber/WOPTO huggingface dataset:
Patent GB-1145231-A (GB)
Title: Boring bar insert
Inventor: BENJAMIN MILTON LLOYD
IPC: B23B29/12
Filed: 1967-09-18
Abstract: 1,145,231. Boring bars. ERICKSON TOOL CO. 18 Sept., 1967 [3 April, 1967], No. 42406/67. Heading B3C. A boring bar 1, Fig. 5, comprises a bush 32 located in a bore 4 of the bar, a ring 6 located in counter bores 39, 7 in the bush and bar, a nut 12 on the tool 9, and a second nut 15 keyed to nut 12 for rotation therewith by a sleeve 16 slidable on tool 9. Ring 6 is secured to bar 1 by axially arranged screws, and provides a seat 14 for nut 12. A pair of Belleville washers 25 urge nuts 12, 15 apart so as to take up backlash. In a modification, bush 32 is eliminated and ring 6 abuts a face in boring bar 1. In a further modification, a one-piece nut 42, Fig. 8, is provided with a number of transverse slots 54, which allow the parts 50, 47 to yield to take up backlash, the nut being held against a seat 45 by a Belleville washer 48. The boring bar insert is secured in the boring bar by radially arranged screws 57. Adjustment of the tool 9 is made by rotating the graduated nut 12 or 42.
Patent GB-1262236-A (GB)
Title: Improvements in baseplate design for rotary lawnmowers
IPC: A01D34/71
Filed: 1970-09-04
Abstract: 1,262,236. Baseplates for rotary mowers. VICTA Ltd. 4 Sept., 1970 [6 Nov., 1969], No. 42458/70. Heading A1F. The baseplate of a rotary mower is shaped to deliver the cuttings to the catcher in a broad stream. A spiral chute 6 is formed within the baseplate 3, and this serves to convey the cuttings by a wind-tunnel effect to a catcher secured to the discharge orifice 7. To broaden the stream of cuttings, a hump 10, having a curved entry side 10a, is formed in the outer wall of the chute 6, the hump being more pronounced towards the roof 11 of the chute, whilst the lower wall 12 remains flat. A fanning-out of the cuttings is effected, and thus the effective capacity of the catcher is increased.
Patent GB-1521149-A (GB)
Title: Cutter assembly for mowing apparatus
IPC: A01D34/73
Filed: 1976-10-13
Abstract: 1521149 Filament cutters for mowing SHIKUTANI KK 13 Oct 1976 [3 Feb 1976] 42480/76 Heading A1F A rotary filament cutter assembly comprises a reel 32 on which nylon filament 14 is wound, and a cover 33 formed with an outlet guide 48 for the filament 14 and biased by a spring 60 into coupling engagement with the reel 32, the cover 33 being rotatable relative to the reel 32 by pulling the cover 33 away from the reel 32, in order to pay out filament 14. In Fig. 1, the cover 33 has projections 45 disengageably received in recesses or bores 35 in the top wall 32 of the reel 32. The spring 60 bears against a washer 50 provided with a groove 51 and a slot 52 respectively for accommodating and allowing the passage of a pin 25 in the shaft 20. The hexagonal-section upper end 21 of the shaft 20 is received in a recess 31 in the reel 32. The guide 48 is opentopped to allow the introduction of the filament 14 which is secured to the reel 32 by wedging in a tapering slot or connection to a hook. In Fig. 7 (not shown), the projections 45 are dispensed with, the circularsection portion 22 of the shaft 20 being replaced in its upper part by a hexagonalsection portion received in a corresponding bore in the cover 33. Alternatively, a key or spline fitting may be employed.
Patent GB-910775-A (GB)
Title: Improvements in electric oil circuit breakers
IPC: H01H33/75
Filed: 1960-12-15
Abstract: 910,775. Oil-blast switches. ALLMANNA SVENSKA ELEKTRISKA A.B. Dec. 15, 1960 [Dec. 16, 1959], No. 43156/60. Class 38 (5). An oil circuit-breaker having an extinguishing chamber 1 including a pressure chamber 2 partly filled with oil up to a level controlled by an opening 9 and having gas in the closed space 3 above the oil has an outlet 7 connecting the pressure chamber 2 to the arc passage spaced from the fixed contact 4. The upper end of the chamber 1 is vented at 8 to prevent pressure build-up on initial contact separation so that when the moving contact 5 uncovers the outlet 7 and a subsequent current zero occurs, the accumulated pressure in the gas 3 forces oil from the chamber 2 into the passage 6. Additional outlets 11 prevent excess pressure in the extinguishing chamber and oil pockets 10 assist with the extinction of low current arcs. In Fig. 2, not shown, there are three outlets from the pressure chamber to the passage 6 and in Fig. 3 there are additional exhaust outlets 13 which allow the oil forced from the chamber 2 to pass across instead of along the arc passage 6.
Patent GB-1179320-A (GB)
Title: Improvements in or relating to Electric Cables.
Inventor: MCNAMEE ANTHONY
IPC: H01B13/26
Filed: 1967-09-22
Abstract: 1,179,320. Seaming. BRITISH INSULATED CALLENDER'S CABLES Ltd. 23 Sept., 1968 [22 Sept., 1967], No. 43307/67. Heading B5K. [Also in Divisions H1 and H5] A substantially tubular conductor is formed by longitudinally folding a thermoplastics coated metal foil tape about a cable core and bonding it in place by softening the material in the region of the overlap by a hot gaseous fluid under superatmospheric pressure and then cooling the material to effect the bond. A die 10 for carrying out this operation has an arcuate surface 11 that is urged towards the cable by a spring 22 but is prevented from making contact by a layer of the gas. The body of the die contains ports (25), 32 that allow the hot and cold fluids respectively to come into contact with the cable at the region of the overlap. The ports are inclined to the vertical to enable the gas to urge the tape in the direction of the overlap. The die may be tubular with a continuous or spaced ring of ports. The thermoplastic coating may be on either or both sides of the foil. Details are given, Figs. 5, 6 (not shown), of an apparatus for heating the gas.
Patent GB-1397958-A (GB)
Title: Dyes of the perylene-tetracarboxylic diimide series
IPC: C09B5/62
Filed: 1972-09-20
Abstract: 1397958 Perylene 3,4,9,10-tetracarboxylic acid diimide dyes BADISCHE ANILIN- & SODA-FABRIK AG 20 Sept 1972 [21 Sept 1971] 43478/72 Heading C4P [Also in Division C3] The invention comprises dyes of formula where R<SP>1</SP> and R<SP>12</SP> are C 1 -C 12  alkyl or C 5 -C 8  cycloalkyl; R<SP>2</SP> and R<SP>21</SP> are H or C 1 -C 12  alkyl; R<SP>3</SP> and R<SP>31</SP> are H, C 1 -C 3  alkyl, Cl or Br, and R<SP>4</SP> and R<SP>41</SP> are H, or C 1 -C 3  alkyl and wherein R<SP>1</SP> and R<SP>11</SP>, R<SP>2</SP> and R<SP>21</SP>, R<SP>3</SP> and R<SP>31</SP> and R<SP>4</SP> and R<SP>41</SP> may be identical or different, and the perylene ring may optionally be substituted with not more than 4 halogen atoms. The dyes may be prepared by condensing perylene-3,4,9, 10-tetracarboxylic acid or its anhydride with an arylamine of formula in the molar ratio 1 : 2. The dyes may be used for colouring plastics materials in fluorescent orange shades.
Patent GB-910296-A (GB)
Title: Improvements in or relating to adjustable metal shelving
IPC: A47B57/04
Filed: 1960-12-22
Abstract: 910,296. Constructional bars. LAPRASSE, R., and LAPRASSE, E. Dec. 22, 1960 [Dec. 30, 1959], No. 44062/60. Class 20(2). [Also in Group XIV] Bracket supporting uprights 24 for adjustable metal shelving (see Group XIV) have a triple-U cross-section and pairs of aligned holes 26 in the innermost webs to receive bracket supporting lugs 27. A back plate is attached to the uprights by means of hooks engaging slots 22A.
Patent GB-1399254-A (GB)
Title: Dimerisation process
IPC: C07C209/48
Filed: 1971-11-08
Abstract: 1399254 Dimerization of propionitrile IMPERIAL CHEMICAL INDUSTRIES Ltd 3 Oct 1972 [8 Nov 1971] 44140/72 Divided out of 1399253 Heading C2C [Also in Division B1] Propionitrile is dehydrodimerized by heating it (e.g. at 100-450‹ C.) in the presence of a catalyst comprising bismuth, the initial reaction products being dicyanobutenes and/or adiponitrile with aminocapronitrile and hexamethylene diamine formed by hydrogenation of these initial products. The reaction, either liquid or vapour phase (solvent optional) and either batchwise or continuous, is preferably effected using a non- oxidizing carrier gas (e.g. H 2 , N 2 , Ar). The bismuth catalyst may be supported and may be mixed with a transition metal compound. Specified bismuth catalysts are the oxide, hydroxide, chloride, bromide, nitrate and carbonate and bismuth triethyl, tricyclohexyl and triphenyl, the latter being used in the examples in conjunction with molybdenum hexacarbonyl, ruthenium acetylacetonate or palladium acetate.
Patent GB-1122029-A (GB)
Title: Improvements in flow divider systems
IPC: D21F1/02
Filed: 1964-10-29
Abstract: 1,122,029. Paper-making. PORTALS Ltd. and A. J. TOOTH. 21 Oct., 1965 [29 Oct., 1964], No. 44213/64. Heading D2A. [Also in Division C3] Apparatus for feeding stock into a headbox 22 of a paper-making machine has a plurality of pipes 15 extending transversely from a supply pipe with each pipe 15 increasing in crosssection towards the exit, a throttling chamber 17 which may have flow shaping means (53- 55), Fig. 9 (not shown), adjacent the end of pipes 15 to prevent eddy formation, and an may be adjustably hinged to wall 18 of chamber 17 to vary the angle of taper. The pipes may 17 to vary the angle of taper. The pipes may be circular with the rate of increase of the diameter of portions 16 either constant or deoreasing incrementally or continuously along the length.
Patent GB-1014932-A (GB)
Title: Improvements relating to the embossing of thermoplastic sheet materials
Inventor: BAER WALTER
IPC: B29C59/04
Filed: 1962-11-22
Abstract: 1,014,932. Embossing thermoplastic sheets. COMMERCIAL PLASTICS Ltd. Nov. 22, 1962, No. 44260/62. Heading B5A. In a method for producing embossed relief effects on thermoplastic sheet material the material is brought into contact at an elevated temperature with an embossing surface a depression in which is sufficiently deep that the thermoplastic material is caused to partially enter the depression without coming into contact with the bottom thereof. The plastic sheet material may first be subjected to a preliminary surface treatment at a temperature higher than when in contact with the embossing surface. In one embodiment the embossing surface has depressions of such a depth that the sheet material comes into contact with the bottom thereof thus giving a matt finish on the material surface and other depressions three to five times deeper the bottom of which is not contacted by the sheet material so that it retains a gloss finish. The sheet material may be a vinyl chloride polymer or copolymer or a polyolefin and may also comprise a laminate of two or more sheets or films of different colours.
Patent GB-1109661-A (GB)
Title: Improvements in or relating to apparatus suitable for use in drying articles of ceramic ware
Inventor: CROWSHAW DOUGLAS WALTER
IPC: B28B11/24
Filed: 1963-11-11
Abstract: 1,109,661. Drying ceramic ware. SERVICE (ENGINEERS) Ltd. 11 Nov., 1964 [11 Nov., 1963; 21 Jan., 1964; 18 June, 1964; 10 July, 1964], Nos. 44332/63, 2519/64; 25188/64 and 28504/64. Addition to 1.049,371. Heading F4G. In apparatus for drying ceramic ware W according to Specification 1,049,371, the transfer means for removing the ware from moulds M on a first conveyer to a second conveyer comprises a first suction device 148 mounted on an arm 100 arranged to engage the central portion of the article and remove it from the mould, and a second suction device 136 on an arm 126 arranged to contact a brim portion of the article and lift that portion from the mould prior to transfer by the first suction device. The first suction device 148 is secured to a spring-urged finger 104 pivotally mounted about a pin 106 on the arm 100 by a spring urged hollow spindle 118 connected to reduced air pressure source (not shown). The second suction device 136 is also secured to a finger 126 pivotally mounted about a pin 128 on a depending boss of the arm 100 by a second hollow spindle 134 coupled to the same reduced pressure source. The finer 126 is capable of only limited pivotal movement about the pin 128 between a first position in which its forward end engages the underside of the arm 100 and an adjustable position in which a screw 130 secured by a locknut 132 in a rear portion of the finger engages the arm 100. The arm 100 is mounted on a horizontal shaft 102 having a cam which, as the transfer means moves between the positions shown in Figs. 1 and 2, actuates a valve through which the air is withdrawn from the suction devices. The shaft 102 also carries a rocking arm 140 arranged to engage the upper surface of a shelf 20 of the first conveyer and rock it away from the suction device 136 after the device has engaged the brim portion to assist in separating the ware from the moulds. Heated compressed air may also be supplied through nozzles in a tube (not shown) parallel to the shaft to assist in separating the ware and moulds.
Patent GB-951278-A (GB)
Title: Scanning system for light tracking device
IPC: G01S3/786
Filed: 1961-12-12
Abstract: 951,278. Telescopes. KOLLSMAN INSTRUMENT CORPORATION. Dec. 12, 1961 [Dec. 20, 1960], No. 44372/61. Heading G2J. [Also in Division H4] A light source tracking system comprises telescope means for forming in a focal plane an image of the source, a single scanner for scanning the image along a line, and an image rotating means positioned in the path of light from the source. In one embodiment, Figs. 1 and 2, light 21a from a star enters the objective 21 of a telescope via a Dove prism 50 and is focused in a plane 22 where it is scanned by an aperture reciprocating along a line. Light from the image is focused by a lens 24 on to a photomultiplier 25 whose output signals actuate a servomechanism 27 to control the alignment of the telescope on the star. Between alternate scanning cycles the Dove prism is rotated about the optical axis of the telescope by energization of a solenoid 59 whose armature is linked to a plate 51 bearing the prism, a spring 54a providing the return motion. The extent of rotation is limited to 45 degrees so that the image moves through 90 degrees and this enables the scanner to scan in altitude and azimuth on alternate cycles. The scanner comprises a reed 28, Fig. 4, which bears at one end an apertured plate 30 and which is vibrated by a solenoid supplied with A. C. In another embodiment rotation of a right angle mirror 61, Figs. 5 and 8, through 45 degrees relative to another similar fixed mirror 60 provides the requisite rotation through 90 degrees of the image. In a further embodiment two Dove prisms are provided 70, 71, Figs. 10 and 11, one being at 45 degrees to the other and an aperture 76 in a rotatably reciprocating plate 74 is aligned alternately with them to provide the image rotation. The output of the photomultiplier, Figs. 12 and 13 (not shown) contains a component at the scanning frequency (which component falls to zero when the image is at the centre of the scan and which changes phase by 180 degrees either, side of the centre) and a second harmonic component (which achieves a maximum when the image is central). These signals are passed alternately to altitude and azimuth servo-control circuits, Fig. 14 (not shown) of the type described also in Specifications 946,424, 946,425 and 946,426. U.S.A. Specification 2,905,828 also is referred to.
Patent GB-951658-A (GB)
Title: Improvements in or relating to swimming-pool nuclear reactors
Inventor: KERVENOAEL OLIVIER DE
IPC: G21C1/14
Filed: 1960-12-29
Abstract: 951,658. Cooling reactors. INDATOM. Dec. 29, 1960 [Jan. 7, 1960], No.44630/60. Heading G6C. A nuclear swimming pool reactor has fuel elements enclosed in envelopes 4 which are immersed in a pool of water moderator; the fuel is cooled by a re-entrant flow of coolant water through each envelope, and moderator is drawn into the coolant flow from the vicinity of each envelope,being replaced by water withdrawn from the coolant circuit and decontaminated at 19, 20 The fuel elements are supported by a lattice structure which defines coolant inlet and outlet spaces. The moderator enters the coolant flow through holes 17 or through openings at the top of each envelope. The coolant circuit including aheat exchanger 15 is immersed in the moderator. Channels 7 are provided for control rods or for experiments. The envelopes may be covered by lead bricks, and they may have spring loaded valves at the top, opened manually or by reduction of coolant flow,to allow cooling by natural convection. The fuel is in plates or tubes, and partitions 9 are also of fissile material.
Patent GB-1091101-A (GB)
Title: Production of powder,strip and other metal products from refined molted metal
IPC: B30B11/18
Filed: 1964-11-02
Abstract: In a process of granulating molten iron or steel to form particles of irregular and angular shape, the molten metal is refined and discharged into an atomizer where the stream of molten metal is atomized with high pressure solid flat streams of a liquid such as water and the particles are then dried.  As shown in Figs. 1A and 1B refining is effected in an open hearth furnace, L.D. converter or electric furnace 11, the molten metal is discharged into ladle 12 and then into atomizer 13. The streams of molten metal from openings 18 in the atomizer are atomized by flat sheets of water issuing from nozzles 19 at a pressure greater than 400 p.s.i., the nozzles being positioned at an angle of 26 DEG  to the vertical to prevent frothing. Vacuum degassing of the molten metal may be effected by evacuating the atomizer or alternatively a hydrogen or argon atmosphere may be used. The formed particles are pumped to a dewatering unit 26, dried and screened at 30 in a controlled <PICT:1091101/C6-C7/1> atmosphere of argon or nitrogen and particles of graded sizes are stored at 33 under nitrogen. Alternatively the particles may be diverted from screening section 30 into storage bags at 56 and stored with silica gel.  The powder from store 33 is blended at 36 with e.g. detergents, activators, lubricants, binders and metal and alloy powders such as copper and steel to adjust the carbon content.  The blended powder is preheated at 38 to 950 DEG  - 1200 DEG F., and rolled at 39 to a green strip of 70 - 95% density. The powder is fed from the preheater via a series of evacuated tubes and the feed is controlled magnetically and by vibrators Figs. 4 and 5 (not shown).  The green strip is heated at 42 to 1600 DEG  - 2200 DEG F., and rolled to 100% density at 43.  Treatments such as carburizing, decarburizing, reduction, nitriding, chromizing, nickelizing and infiltration with copper may be carried out in furnace 42. Further hot rolling is then carried out at 45 and 46 to a minimum thickness of 0.010" and the strip is then cooled by sprays 50. All these operations are performed in an argon or nitrogen atmosphere in enclosure 48 and the strip is then cold rolled at 51 and sheared at 52.  The process is particularly exemplified in the production of low carbon steel for electrical applications and also for stainless steel.
Patent GB-1034141-A (GB)
Title: Improvements in or relating to coating and adhering surfaces
Inventor: BAILEY BRIAN EDWARD
IPC: C09D109/00
Filed: 1961-06-30
Abstract: 2-acetoxy, 1-acetoxy and 2,3-diacetoxy substituted 1,3-butadienes and 2,4-diacetoxy-1,3-pentadiene are obtained by acetylating (e.g. using acetic anhydride, ketene or isopropenyl acetate) methyl vinyl ketone, crotonaldehyde, diacetyl and acetyl ketone respectively.  In the examples 1-acetoxy-1,3-butadiene is prepared by heating a mixture of crotonaldehyde an isopropenyl acetate with sulphuric acid as catalyst, distilling off the acetone formed, washing the product, drying and distilling under vacuum.ALSO:Compositions for coating surfaces or adhering surfaces together comprises a polymer or copolymer of acetoxy substituted 1,3-butadiene or acetoxy substituted 1,3-pentadiene.  Specified acetoxy substances are 2-acetoxy, 1-acetoxy, and 2,3-diacetoxy-1,3-butadienes and 2,4-diacetoxy-1,3-pentadiene. The copolymerizable monomers mentioned are styrene, butadiene and acrylonitrile.  The polymers may be applied in solution using acetone as solvent. The polymers may be cross-linked by (1) reacting the polymers at elevated temperature with oxygen in the presence of cobalt naphthenate; (2) heating the polymers with compounds giving rise to free radicals, e.g. benzoyl peroxide and azobiisobutyronitrile; or (3) heating the polymers with bifunctional reagents capable of undergoing exchange reactions with esters, e.g. dimethyl succinate and phthalic anhydride. Tricresyl phosphate and cobalt octoate may be present in the composition.ALSO:Metal, glass, plastic and wood surfaces (e.g. plate or dish) are coated (e.g. by spreading) with a polymer or a copyolymer of acetoxy substituted 1, 3 butadiene or of acetoxy substituted 1, 3 pentadiene.  The polymers may be applied in solution using acetone as solvent, and they may be cross-linked by (1) reacting the polymers at elevated temperature with oxygen in the presence of an oxygen catalyst, e.g. cobalt naphthenate; (2) heating the polymers with compounds giving rise to free radicals, e.g. benzoyl peroxide and azobisisobutyronitrile; or (3) heating the polymers with bifunctional reagents capable of undergoing exchange reactions with esters, e.g. dimethyl succinate and phthalic anhydride.  Specified acetoxy substances are 2-acetoxy, 1-acetoxy and 2, 3 diacetoxy 1, 3 butadienes and 2, 4, diacetoxy 1, 3 pentadiene. The copolymerisable monomers mentioned are styrene, butadiene and acrylonitrile.  Tricresyl phosphate and cobalt octoate may be included in the composition.
Patent GB-1517759-A (GB)
Title: Removal of measuring heads from measuring lances
IPC: G01N27/411
Filed: 1975-10-30
Abstract: 1517759 Thermometers HOESCH WERKE AG 30 Oct 1975 [10 Dec1974] 44973/75 Heading G1D A tubular measuring lance has a removable head 13 which comprises a protective tube 16 surrounding the immersion end 11 of the lance, and is arranged to supply compressed air along its tubular interior to the immersion end 11 for removing the head. The measuring head comprises a protective cap 133 which melts away when immersed in a melt 21 to expose a thermal element (132) and contacts (131, 131'), Fig. 3 (not shown), which mate with a plug 12. The protective tube 16 forms a seal against the lance by means of a sealing ring 18. Compressed air is passed inside the end portion through the interior 114 and apertures 113 into the annular space 17 between the tube 16 and end portion 11 and through a bore (121) in the plug to eject the head 13 and tube 16.
Patent GB-1369313-A (GB)
Title: Method of producing sintered mouldings
IPC: B22F3/24
Filed: 1972-09-29
Abstract: 1369313 Heat-treating sintered bodies ROBERT BOSCH GmbH 29 Sept 1972 [1 Oct 1971] 44992/72 Heading C7A A sintered body containing by weight with the ratio Sn:Cu lying in the range 1:0À7 to 1:1À5 is slowly cooled through the range 750‹ to 300‹ C., reheated to 600‹ to 750‹ C. and cooled slowly to 300‹ C., the cooling rate in each case preferably not exceeding 15‹C. /minute. The body may be cooled from the sintering temperature to 750‹ C., and may be maintained at the reheating temperature for at least 5 minutes.